The 15 December 1905 happened: The first submersible torpedo boat

15/12/14

Venice enters service the submarine Glauco, first unit of the homonymous class of five boats, defined in the nomenclature of the era "submarine torpedo boats". Set the 1 ° 1903 at the Venice Arsenal airport and launched the 9 in July 1905, it is the first example of a series of submarines for the Regia Marina.

The designer is the major of the Genio Navale Cesare Laurenti who applies innovative concepts that, from then on, characterize this type of construction as "Laurenti type". Like the submarines of many other Marinas, the Glauco has a hull with very refined extremities, suitable for surface navigation but less for underwater navigation, which reaches, however, levels higher than 30 meters.

Source: Military Navy